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Concrete mix

09/23/2009 6:55 AM

What is concrete mix? Please define the grades.

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#1

Re: Concrete mix

09/23/2009 7:45 AM

I can see that you are, in Piaget's term, a concrete thinker, so I will try to cement our relationship with this answer.

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#2

Re: Concrete mix

09/24/2009 9:47 AM

Concrete mix is a mix of concrete .

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